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import java.util.ArrayList;

/**
 * @author cbf4Life cbf4life@126.com
 * I'm glad to share my knowledge with you all.
 * ����һ�����ڵ㣬��Ϊ�ܾ������
 */
public interface IRoot {

	
	public String getInfo();
	
	
	public void add(IBranch branch);
	
	
	public void add(ILeaf leaf);
	
	
	public ArrayList getSubordinateInfo();
	
}